/* Demo Note:  This demo uses a FileProgress class that handles the UI for displaying the file name and percent complete.
The FileProgress class is not part of SWFUpload.
*/


/* **********************
   Event Handlers
   These are my custom event handlers to make my
   web application behave the way I went when SWFUpload
   completes different tasks.  These aren't part of the SWFUpload
   package.  They are part of my application.  Without these none
   of the actions SWFUpload makes will show up in my application.
   ********************** */
function fileQueued(file) {
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setStatus("准备就绪...");
		progress.toggleCancel(true, this);

	} catch (ex) {
		this.debug(ex);
	}

}

function fileQueueError(file, errorCode, message) {
	try {
		if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
			alert("您要上传的文件过多\n" + (message === 0 ? "已经超过了上限." : "您可以选择 " + (message > 1 ? "最多 " + message + " 个。" : message +"个。")));
			return;
		}

		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setError();
		progress.toggleCancel(false);

		switch (errorCode) {
		case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
			progress.setStatus("文件太大。");
			this.debug("错误: 文件太大, 文件名: " + file.name + ", 文件大小: " + file.size + ", 错误消息: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
			progress.setStatus("不能上传空文件（零字节的文件）");
			this.debug("错误: 空文件被上传, 文件名: " + file.name + ", 文件大小: " + file.size + ", 错误消息: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
			progress.setStatus("无效的文件类型。");
			this.debug("错误: 无效的文件类型, 文件名: " + file.name + ", 文件大小: " + file.size + ", 错误消息: " + message);
			break;
		default:
			if (file !== null) {
				progress.setStatus("未知错误！");
			}
			this.debug("错误: " + errorCode + ", 文件名: " + file.name + ", 文件大小: " + file.size + ", 错误消息: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
	try {
		if (numFilesSelected > 0) {
			document.getElementById(this.customSettings.cancelButtonId).disabled = false;
		}
		
		/* I want auto start the upload and I can do that here */
		this.startUpload();
	} catch (ex)  {
        this.debug(ex);
	}
}

function uploadStart(file) {
	try {
		/* I don't want to do any file validation or anything,  I'll just update the UI and
		return true to indicate that the upload should start.
		It's important to update the UI here because in Linux no uploadProgress events are called. The best
		we can do is say we are uploading.
		 */
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setStatus("正在上传...");
		progress.toggleCancel(true, this);
	}
	catch (ex) {}
	
	return true;
}

function uploadProgress(file, bytesLoaded, bytesTotal) {
	try {
		var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);

		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setProgress(percent);
		progress.setStatus("正在上传...");
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadSuccess(file, serverData) {
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
                if(upload_success(serverData)){
                    progress.setComplete();
                    progress.setStatus("上传完成。");
                    progress.toggleCancel(false);
                }
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadError(file, errorCode, message) {
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setError();
		progress.toggleCancel(false);

		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
			progress.setStatus("上传错误: " + message);
			this.debug("错误: HTTP错误, 文件名: " + file.name + ", 错误消息: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
			progress.setStatus("上传失败。");
			this.debug("错误: 上传失败, 文件名: " + file.name + ", 文件大小: " + file.size + ", 错误消息: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.IO_ERROR:
			progress.setStatus("服务器IO错误");
			this.debug("错误: IO错误, 文件名: " + file.name + ", 错误消息: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
			progress.setStatus("安全性错误");
			this.debug("错误: 安全性错误, 文件名: " + file.name + ", 错误消息: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			progress.setStatus("超过上传限制");
			this.debug("错误: 超过上传限制, 文件名: " + file.name + ", 文件大小: " + file.size + ", 错误消息: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
			progress.setStatus("验证失败，上传跳过。");
			this.debug("错误: 文件验证失败, 文件名: " + file.name + ", 文件大小: " + file.size + ", 错误消息: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
			// If there aren't any files left (they were all cancelled) disable the cancel button
			if (this.getStats().files_queued === 0) {
				document.getElementById(this.customSettings.cancelButtonId).disabled = true;
			}
			progress.setStatus("上传已被取消");
			progress.setCancelled();
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			progress.setStatus("上传停止");
			break;
		default:
			progress.setStatus("未知错误: " + errorCode);
			this.debug("错误: " + errorCode + ", 文件名: " + file.name + ", 文件大小: " + file.size + ", 错误消息: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}

function logoComplete(file) {
	if (this.getStats().files_queued === 0) {
            logo_complete();
//		document.getElementById(this.customSettings.cancelButtonId).disabled = true;
	}
}

function pageIndexComplete(file) {
	if (this.getStats().files_queued === 0) {
            pageIndex_complete();
//		document.getElementById(this.customSettings.cancelButtonId).disabled = true;
	}
}

// This event comes from the Queue Plugin
function queueComplete(numFilesUploaded) {
//        upload_complete(numFilesUploaded);
//	var status = document.getElementById("divStatus");
//	status.innerHTML = numFilesUploaded + " 个文件" + (numFilesUploaded === 1 ? "" : "s") + " 上传完成。";
}
